public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
        {
            int             num1             = 0;
            MqttMsgUnsuback mqttMsgUnsuback1 = new MqttMsgUnsuback();

            if (protocolVersion == (byte)4 && ((uint)fixedHeaderFirstByte & 15U) > 0U)
            {
                throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
            }
            byte[] buffer = new byte[MqttMsgBase.decodeRemainingLength(channel)];
            channel.Receive(buffer);
            MqttMsgUnsuback mqttMsgUnsuback2 = mqttMsgUnsuback1;

            byte[] numArray1 = buffer;
            int    index1    = num1;
            int    num2      = checked (index1 + 1);
            int    num3      = (int)checked ((ushort)((int)numArray1[index1] << 8 & 65280));

            mqttMsgUnsuback2.messageId = (ushort)num3;
            MqttMsgUnsuback mqttMsgUnsuback3 = mqttMsgUnsuback1;
            int             messageId        = (int)mqttMsgUnsuback3.messageId;

            byte[] numArray2 = buffer;
            int    index2    = num2;
            int    num4      = checked (index2 + 1);
            int    num5      = (int)numArray2[index2];

            mqttMsgUnsuback3.messageId = (ushort)(messageId | num5);
            return(mqttMsgUnsuback1);
        }
Esempio n. 2
0
        /// <summary>
        /// Parse bytes for a UNSUBACK message
        /// </summary>
        /// <param name="fixedHeaderFirstByte">First fixed header byte</param>
        /// <param name="protocolVersion">Protocol Version</param>
        /// <param name="channel">Channel connected to the broker</param>
        /// <returns>UNSUBACK message instance</returns>
        public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
        {
            byte[] buffer;
            int index = 0;
            MqttMsgUnsuback msg = new MqttMsgUnsuback();

            if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
            {
                // [v3.1.1] check flag bits
                if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_UNSUBACK_FLAG_BITS)
                    throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
            }

            // get remaining length and allocate buffer
            int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
            buffer = new byte[remainingLength];

            // read bytes from socket...
            channel.Receive(buffer);

            // message id
            msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
            msg.messageId |= (buffer[index++]);

            return msg;
        }
Esempio n. 3
0
        /// <summary>
        /// Parse bytes for a UNSUBACK message
        /// </summary>
        /// <param name="fixedHeaderFirstByte">First fixed header byte</param>
        /// <param name="protocolVersion">Protocol Version</param>
        /// <param name="channel">Channel connected to the broker</param>
        /// <returns>UNSUBACK message instance</returns>
        public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
        {
            byte[]          buffer;
            int             index = 0;
            MqttMsgUnsuback msg   = new MqttMsgUnsuback();

            if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
            {
                // [v3.1.1] check flag bits
                if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_UNSUBACK_FLAG_BITS)
                {
                    throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
                }
            }

            // get remaining length and allocate buffer
            int remainingLength = MqttMsgBase.decodeRemainingLength(channel);

            buffer = new byte[remainingLength];

            // read bytes from socket...
            channel.Receive(buffer);

            // message id
            msg.messageId  = (ushort)((buffer[index++] << 8) & 0xFF00);
            msg.messageId |= (buffer[index++]);

            return(msg);
        }
Esempio n. 4
0
        /// <summary>
        /// Parse bytes for a UNSUBACK message
        /// </summary>
        /// <param name="fixedHeaderFirstByte">First fixed header byte</param>
        /// <param name="channel">Channel connected to the broker</param>
        /// <returns>UNSUBACK message instance</returns>
        public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, IMqttNetworkChannel channel)
        {
            byte[] buffer;
            int index = 0;
            MqttMsgUnsuback msg = new MqttMsgUnsuback();

            // get remaining length and allocate buffer
            int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
            buffer = new byte[remainingLength];

            // read bytes from socket...
            channel.Receive(buffer);

            // message id
            msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
            msg.messageId |= (buffer[index++]);

            return msg;
        }
Esempio n. 5
0
        /// <summary>
        /// Parse bytes for a UNSUBACK message
        /// </summary>
        /// <param name="fixedHeaderFirstByte">First fixed header byte</param>
        /// <param name="socket">Socket connected to the broker</param>
        /// <returns>UNSUBACK message instance</returns>
        public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, Socket socket)
        {
            byte[]          buffer;
            int             index = 0;
            MqttMsgUnsuback msg   = new MqttMsgUnsuback();

            // get remaining length and allocate buffer
            int remainingLength = MqttMsgBase.decodeRemainingLength(socket);

            buffer = new byte[remainingLength];

            // read bytes from socket...
            socket.Receive(buffer);

            // message id
            msg.messageId  = (ushort)((buffer[index++] << 8) & 0xFF00);
            msg.messageId |= (buffer[index++]);

            return(msg);
        }
Esempio n. 6
0
        /// <summary>
        /// Send UNSUBACK message to the client
        /// </summary>
        /// <param name="messageId">Message Id for the UNSUBSCRIBE message that is being acknowledged</param>
        public void Unsuback(ushort messageId)
        {
            MqttMsgUnsuback unsuback = new MqttMsgUnsuback();
            unsuback.MessageId = messageId;

            this.Send(unsuback);
        }